GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

Factory amp bypass harness

Old 04-22-19, 09:07 AM
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LV05gs300
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Default Factory amp bypass harness

Has anyone found a factory amp bypass harness for the M.L. system with navigation?
Thanks for the help.
2005 gs300

Last edited by LV05gs300; 04-22-19 at 12:04 PM.
Old 04-22-19, 09:09 AM
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firelizard
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Can you clarify what your objective is?

If you have the ML system and want to use an aftermarket amplifier, use a line output converter to send signal from head unit or factory amplifier's output leads to the new amplifier's inputs. I recommend using the signal from the factory amplifier as it also processes the signal for audio quality.
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Old 04-22-19, 12:06 PM
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I like the idea would you happen to have the wire diagram for the factory M.L. amp or know where I can get it?
Old 04-22-19, 01:37 PM
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Yes, here on Club Lexus. You can find a DIY showing you how to do this if you search, as well as me answering this question several times already.
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